PING all.189.cn.w.alikunlun.com (61.170.81.212) 56(84) bytes of data.
64 bytes from 61.170.81.212 (61.170.81.212): icmp_seq=1 ttl=54 time=271 ms
64 bytes from 61.170.81.212 (61.170.81.212): icmp_seq=2 ttl=54 time=269 ms
64 bytes from 61.170.81.212 (61.170.81.212): icmp_seq=3 ttl=54 time=269 ms

--- all.189.cn.w.alikunlun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 269.767/270.461/271.656/0.848 ms